Addition of a "clear-cache" command
Unit testing of thread block
Updated to zend framework 2.1.5 and added Elastica as a dependency
Update gitignore
Updated build script to ZF 2.1.5
Merge pull request #119 from franckstauffer/dev

Updated dependencies and unit testing of blocks
Merge pull request #120 from fredericbonjour/Admin

Integration of Change Backoffice into the main project.
Added "Theme" module and ACE editor.
Fixed REST service to accept HTTP 303 "See Other".
Website editor localization.
Refactoring
Localization
Added Twig mecros to help building forms.
Added "Users" plugin and Menus in "Website" plugin.
Fixed PageTemplate controllers name.